Kawah Ijen Crater Lake & Copernicus

Kawah Ijen Crater Lake & Copernicus upsc mind map
  Kawah Ijen Crater Lake
    Source
      India Today
    Context
      World’s largest acidic lake
        East Java, Indonesia
    Characteristics
      High concentrations
        Sulphuric and hydrochloric acids
        Unswimmable
      Visible from space
        Turquoise blue waters
      pH level
        As low as 0.5
        Similar to car battery acid
      Emissions
        Hot, flammable sulphurous gases
          Burn with blue flame
            Nighttime spectacle
      Life exists
        Microbial communities
          Mainly Archaea
        In lake and acidic river
    UNESCO Global Geopark
      Unique features
        Geological
        Biological
        Cultural
      Active vent
        Significant source of elemental sulfur
          Supports mining operation
  About Copernicus
    EU’s Earth observation program
      Provides data
        Satellites
        Non-space sources
      Overseen by
        European Commission
      Copernicus Sentinel series
        Satellites
          Provide optical images
            Earth’s surface

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